ARPSpoofing教程（二） - 获取网络设备中的详细地址信息

#include"pcap.h"

#include<WinSock.h>

#defineIPTOSBUFFERS12

char*iptos(u_longin){

staticcharoutput[IPTOSBUFFERS][3*4+3+1];

staticshortwhich;

u_char*p=(u_char*)∈

which=(which+1==IPTOSBUFFERS?0:which+1);

sprintf(output[which],"%d.%d.%d.%d",p[0],p[1],p[2],p[3]);

returnoutput[which];

}

char*ip6tos(structsockaddr*sockaddr,char*address,intaddrlen){

socklen_tsockaddrlen=sizeof(sockaddr_in6);

if(getnameinfo(sockaddr,sockaddrlen,address,addrlen,NULL,0,NI_NUMERICHOST)!=0)

address=NULL;

returnaddress;

}

voidifprint(pcap_if_t*d){

charip6str[128];

//devicename

printf("DeviceName:%s\n",d->name);

printf("Description:%s\n",d->description);

//loopbackaddress

if(d->flags&&PCAP_IF_LOOPBACK)

printf("loopback:yes\n");

else

printf("loopback:yes\n");

for(pcap_addr_t*a=d->addresses;a;a=a->next){

printf("AddressFamily:%d\n",a->addr->sa_family);

switch(a->addr->sa_family){

caseAF_INET:

printf("AddressFamily:AF_INTET\n");

if(a->addr)

printf("Address:%s\n",iptos(((structsockaddr_in*)a->addr)->sin_addr.s_addr));

if(a->netmask)

printf("Netmask:%s\n",iptos((((structsockaddr_in*)a->netmask)->sin_addr.s_addr)));

if(a->broadaddr)

printf("BroadcastAddress:%s\n",iptos(((structsockaddr_in*)a->broadaddr)->sin_addr.s_addr));

if(a->dstaddr)

printf("DestinationAddress:%s\n",iptos(((structsockaddr_in*)a->dstaddr)->sin_addr.s_addr));

break;

caseAF_INET6:

printf("AddressFamilyName:AF_INET6\n");

if(a->addr)

printf("Address:%s\n",ip6tos(a->addr,ip6str,sizeof(ip6str)));

break;

default:

printf("AdressFamilyName：Unknown\n");

break;

}

}

}

intmain(){

pcap_if_t*all_devs,*d;

charerrBuf[PCAP_ERRBUF_SIZE+1],source[PCAP_ERRBUF_SIZE+1];

printf("Enterthedeviceyouwanttolist:\n");

printf("rpcap：//==>listinterfaceintthemachine\n");

printf("rpcap：//hostname:port==>listinterfaceinaremotemachine\n");

printf("file://foldname==>listallpcapfilesinthegivefolder\n");

printf("Enteryourchoice:");

fgets(source,PCAP_ERRBUF_SIZE,stdin);

source[PCAP_ERRBUF_SIZE]='\0';

//getlocaldevicelist\n

if(pcap_findalldevs_ex(source,NULL,&all_devs,errBuf)==-1){

fprintf(stderr,"ERROR:%s\n",errBuf);

exit(1);

}

//printlist

for(pcap_if_t*d=all_devs;d;d=d->next){

ifprint(d);

}

//fianllyfreeanyresource

pcap_freealldevs(all_devs);

}